Rất đơn giản thôi, bạn chỉ cần copy đoạn code sau vào file functions.php trong thư mục child-theme bạn đang sử dụng là ok nhé
class Auto_Save_Images{
function __construct(){
add_filter( 'content_save_pre',array($this,'post_save_images') );
}
function post_save_images( $content ){
if( ($_POST['save'] || $_POST['publish'] )){
set_time_limit(240);
global $post;
$post_id=$post->ID;
$preg=preg_match_all('/<img.*?src="(.*?)"/',stripslashes($content),$matches);
if($preg){
foreach($matches[1] as $image_url){
if(empty($image_url)) continue;
$pos=strpos($image_url,$_SERVER['HTTP_HOST']);
if($pos===false){
$res=$this->save_images($image_url,$post_id);
$replace=$res['url'];
$content=str_replace($image_url,$replace,$content);
}
}
}
}
remove_filter( 'content_save_pre', array( $this, 'post_save_images' ) );
return $content;
}
function save_images($image_url,$post_id){
$file=file_get_contents($image_url);
$post = get_post($post_id);
$posttitle = $post->post_title;
$postname = sanitize_title($posttitle);
$im_name = "$postname-$post_id.jpg";
$res=wp_upload_bits($im_name,'',$file);
$this->insert_attachment($res['file'],$post_id);
return $res;
}
function insert_attachment($file,$id){
$dirs=wp_upload_dir();
$filetype=wp_check_filetype($file);
$attachment=array(
'guid'=>$dirs['baseurl'].'/'._wp_relative_upload_path($file),
'post_mime_type'=>$filetype['type'],
'post_title'=>preg_replace('/\.[^.]+$/','',basename($file)),
'post_content'=>'',
'post_status'=>'inherit'
);
$attach_id=wp_insert_attachment($attachment,$file,$id);
$attach_data=wp_generate_attachment_metadata($attach_id,$file);
wp_update_attachment_metadata($attach_id,$attach_data);
return $attach_id;
}
}
new Auto_Save_Images();
class Auto_Save_Images{
function __construct(){
add_filter( 'content_save_pre',array($this,'post_save_images') );
}
function post_save_images( $content ){
if( ($_POST['save'] || $_POST['publish'] )){
set_time_limit(240);
global $post;
$post_id=$post->ID;
$preg=preg_match_all('/<img.*?src="(.*?)"/',stripslashes($content),$matches);
if($preg){
foreach($matches[1] as $image_url){
if(empty($image_url)) continue;
$pos=strpos($image_url,$_SERVER['HTTP_HOST']);
if($pos===false){
$res=$this->save_images($image_url,$post_id);
$replace=$res['url'];
$content=str_replace($image_url,$replace,$content);
}
}
}
}
remove_filter( 'content_save_pre', array( $this, 'post_save_images' ) );
return $content;
}
function save_images($image_url,$post_id){
$file=file_get_contents($image_url);
$post = get_post($post_id);
$posttitle = $post->post_title;
$postname = sanitize_title($posttitle);
$im_name = "$postname-$post_id.jpg";
$res=wp_upload_bits($im_name,'',$file);
$this->insert_attachment($res['file'],$post_id);
return $res;
}
function insert_attachment($file,$id){
$dirs=wp_upload_dir();
$filetype=wp_check_filetype($file);
$attachment=array(
'guid'=>$dirs['baseurl'].'/'._wp_relative_upload_path($file),
'post_mime_type'=>$filetype['type'],
'post_title'=>preg_replace('/\.[^.]+$/','',basename($file)),
'post_content'=>'',
'post_status'=>'inherit'
);
$attach_id=wp_insert_attachment($attachment,$file,$id);
$attach_data=wp_generate_attachment_metadata($attach_id,$file);
wp_update_attachment_metadata($attach_id,$attach_data);
return $attach_id;
}
}
new Auto_Save_Images();
class Auto_Save_Images{ function __construct(){ add_filter( 'content_save_pre',array($this,'post_save_images') ); } function post_save_images( $content ){ if( ($_POST['save'] || $_POST['publish'] )){ set_time_limit(240); global $post; $post_id=$post->ID; $preg=preg_match_all('/<img.*?src="(.*?)"/',stripslashes($content),$matches); if($preg){ foreach($matches[1] as $image_url){ if(empty($image_url)) continue; $pos=strpos($image_url,$_SERVER['HTTP_HOST']); if($pos===false){ $res=$this->save_images($image_url,$post_id); $replace=$res['url']; $content=str_replace($image_url,$replace,$content); } } } } remove_filter( 'content_save_pre', array( $this, 'post_save_images' ) ); return $content; } function save_images($image_url,$post_id){ $file=file_get_contents($image_url); $post = get_post($post_id); $posttitle = $post->post_title; $postname = sanitize_title($posttitle); $im_name = "$postname-$post_id.jpg"; $res=wp_upload_bits($im_name,'',$file); $this->insert_attachment($res['file'],$post_id); return $res; } function insert_attachment($file,$id){ $dirs=wp_upload_dir(); $filetype=wp_check_filetype($file); $attachment=array( 'guid'=>$dirs['baseurl'].'/'._wp_relative_upload_path($file), 'post_mime_type'=>$filetype['type'], 'post_title'=>preg_replace('/\.[^.]+$/','',basename($file)), 'post_content'=>'', 'post_status'=>'inherit' ); $attach_id=wp_insert_attachment($attachment,$file,$id); $attach_data=wp_generate_attachment_metadata($attach_id,$file); wp_update_attachment_metadata($attach_id,$attach_data); return $attach_id; } } new Auto_Save_Images();
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